Fig. 2

Refractory ventricular fibrillations after the atrial septal defect repair. a Three hours after the surgical correction of multiple atrial septal defects, the patient suddenly presented R on T followed by Torsades de Pointes in the intensive care unit, and eventually, the electrocardiogram shifted to a ventricular fibrillation pattern. b The patient presented with repetitive ventricular fibrillations even after he reverted to sinus rhythm with direct current cardioversions